Working Length Determination During Pulpectomy In Primary Molars - An Institutional Radiographic Analysis. Journal of Pharmaceutical Negative Results, [S. l.], p. 1127–1132, 2022. DOI: 10.47750/pnr.2022.13.S04.132. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/1136.. Acesso em: 3 jun. 2026.